Major histocompatibility complex, class II, DP alpha 2 (pseudogene) (HLA-DPA2)

The "major histocompatibility complex, class II, DP alpha 2" or HLA-DPA2 is designated in genomic databases as a pseudogene, meaning it does not code for a functional protein product in humans[2]. Pseudogenes are segments of DNA that resemble genes but typically are non-functional due to mutations or lack of regulatory elements necessary for expression. Thus, although the broader Major Histocompatibility Complex (MHC) class II region—encompassing functional loci such as HLA-DPA1 and HLA-DPB1—plays a central role in antigen presentation to CD4+ T cells and immune response[1][3], HLA-DPA2 itself does not encode a protein involved in these processes. Explanation of correctness: - The target name is technically correct in following HLA nomenclature and refers to a gene locus in the MHC II DP alpha region. However, HLA-DPA2 is a **pseudogene** in humans,[2] not a protein-coding gene nor a functional receptor. Functional antigen-presenting HLA-DP class II molecules require the DP alpha 1 (HLA-DPA1) and beta 1 (HLA-DPB1) chains[1][3]. - It is *not* a valid therapeutic target, nor does it have associated druggability or disease roles. - If users are seeking information on functional MHC class II DP alpha molecules, they should consult **"major histocompatibility complex, class II, DP alpha 1 (HLA-DPA1)"**. Summary of issues: - "HLA-DPA2" is not a current or potential therapeutic target because it is a pseudogene, not a functional immune receptor or protein. - For immune response and therapeutic relevance, refer to HLA-DPA1 (DP alpha 1)[1][3]. - No biological, disease, or pharmacological roles are ascribed to pseudogenes like HLA-DPA2 in routine clinical or research settings.

Other names

HLA-DPA2MHC class II DP alpha 2DP alpha 2 pseudogene